New contact of the Ape (with PHP development environment and PHP simple algorithm problem)--2015.07 last half month, 2015.07 the first half month _php tutorial

New contact of the Ape (with PHP development environment and PHP simple algorithm problem)--2015.07 last half month, 2015.07 the first half month

Php&mysql

Development environment Preparation

SAE http://sae.sina.com.cn/

GitHub https://github.com/

Git http://git-scm.com/

Code Deployment Manual Http://sae.sina.com.cn/doc/tutorial/code-deploy.html

Bootstrap.css Http://cdn.bootcss.com/bootstrap/3.3.4/css/bootstrap.css

Bootstrap front-end development framework http://v3.bootcss.com/

XAMPP https://www.apachefriends.org/zh_cn/index.html (recommended)

Development tools

Atom https://atom.io/(i)

Sublime Test3 HTTP://WWW.SUBLIMETEXT.COM/3 (recommended)

notepad++ https://notepad-plus-plus.org/

Phpstorm http://www.jetbrains.com/phpstorm/

Developer community

Blog Park http://www.cnblogs.com/(I use)

CSDN http://www.csdn.net/

51cto http://blog.51cto.com/

Open source China http://www.oschina.net/

Lavou • Entrepreneurship

Freelancers-Pig Network http://www.zbj.com/

36 Krypton http://36kr.com/

Tiger Sniffing net http://www.huxiu.com/

To go into the PHP algorithm problem (Implementation after adding code ...) ）

Print only 0

The specific number is determined by the input parameter n

Print 00000 as N=5

Php $n= $_get[' N ' ]; for( $i= 0; $i< $n; $i++ ) { Echo"0" ; }?> // Modify n:eg://in the browser address entry field ...? N=8 Print n 0 based on n value

Print a line 0101010101010101010101

The specific number is determined by the input parameter n

such as test.php?n=3 printing 010

Implementation 1 00 111 0000 11111

For if implementation

Php for( $i= 0; $i< 10; $i++ ) { for( $j= 0; $j<= $i; $j++ ) { if( $i% 2 = = 0 ) { Echo' 0 ' ; } Else { Echo' 1 ' ; } } Echo'
' ;}?> for&if Statement Implementation

For switch implementation

While if implementation

While switch implementation

Php $i= 0 ; while( $i< 10 ) { $j= 0 ; while( $j<= $i ) { Switch( $i% 2 ) { Case0: Echo' 0 ' ; Break ; Case1 ; Echo' 1 ' ; Break ; } $j++ ; } Echo'
' ; $i++ ;}?> While&switch Statement Implementation

Make a calculator.

such as Test.php?a=1&b=2&operator=jia output 3

such as Test.php?a=5&b=2&operator=jian output 3

such as Test.php?a=2&b=5&operator=cheng output 10

such as Test.php?a=6&b=3&operator=chu output 2

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